Is the MP flat lock nut for DIN 2353 fasteners, stainless steel compatible with metric-threaded tubing and partition fittings across LL, L, and S series?

Yes. The MP flat lock nut for DIN 2353 fasteners, stainless steel is compatible with metric-threaded tubing and partition fittings across the LL, L and S series. It is specifically a flat locking nut with metric thread made for DIN 2353 connectors and partition fittings (types LL . very light, L . light, and S . heavy), and its AISI 316 stainless steel construction matches the intended series and metric threading of those fittings.

Does the MP flat lock nut for DIN 2353 fasteners, stainless steel meet pressure ratings across LL, L, and S series?

Yes. The MP flat lock nut for DIN 2353 fasteners, stainless steel is offered for LL (very light), L (light) and S (heavy) series and, being made of AISI 316 stainless steel and sized for each series, meets the corresponding pressure ratings for those series when used with the matching DIN 2353 connectors and fittings. Ensure you select the correct series (LL, L or S) to match the connector and system pressure specification.

What corrosion resistance does the MP flat lock nut for DIN 2353 fasteners, stainless steel offer in marine environments?

The MP flat lock nut for DIN 2353 fasteners, stainless steel (AISI 316) offers high corrosion resistance in marine environments. AISI 316 stainless steel contains molybdenum, which significantly improves its resistance to chloride-induced pitting and crevice corrosion compared with standard 304 stainless. Therefore the MP flat lock nut performs well against seawater splash, humid salty air and many marine atmospheres. However, while AISI 316 provides good general marine corrosion resistance, it is not completely immune to localized attack in aggressive or stagnant chloride-rich conditions (e.g., tidal zones, submerged parts, or poorly drained crevices). For maximum longevity in severe marine exposures, careful design to avoid crevices, regular inspection/maintenance, and consideration of higher-alloy materials (e.g., duplex or superaustenitic grades) or protective coatings may be advisable. In typical above-deck and non-submerged fittings, the MP flat lock nut for DIN 2353 fasteners, stainless steel is a suitable and durable choice.

Nut flat lock MP for DIN 2353 fittings, stainless steel

Additional information

Nut flat lock with metric thread for DIN 2353 fittings – bulkhead fittings, type MP. Available as: LL (extra-light series), L (series light), S (series heavy). Material: AISI 316.

List of product variants

Article number	Product variant name	DN	BAR	Availability	Actions
HD-MP-06L-SS	Nut flat DIN 2353 MP 6L M12x1.5, AISI 316	-	-	In stock	Enquiry
HD-MP-08L-06S-SS	Nut flat DIN 2353 MP 8L/6S M14x1.5, AISI 316	-	-	In stock	Enquiry
HD-MP-10L-08S-SS	Nut flat DIN 2353 MP 10L/8S M16x1.5, AISI 316	-	-	In stock	Enquiry
HD-MP-12L-10S-SS	Nut flat DIN 2353 MP 12L/10S M18x1.5, AISI 316	-	-	In stock	Enquiry
HD-MP-12S-SS	Nut flat DIN 2353 MP 12S M20x1.5, AISI 316	-	-	In stock	Enquiry
HD-MP-15L-14S-SS	Nut flat DIN 2353 MP 15L/14S M22x1.5, AISI 316	-	-	In stock	Enquiry
HD-MP-16S-SS	Nut flat DIN 2353 MP 16S M24x1.5, AISI 316	-	-	In stock	Enquiry
HD-MP-18L-SS	Nut flat DIN 2353 MP 18L M26x1.5, AISI 316	-	-	In stock	Enquiry
HD-MP-22L-20S-SS	Nut flat DIN 2353 MP 22L/20S M30x2, AISI 316	-	-	In stock	Enquiry
HD-MP-28L-25S-SS	Nut flat DIN 2353 MP 28L/25S M36x2, AISI 316	-	-	In stock	Enquiry
HD-MP-30S-SS	Nut flat DIN 2353 MP 30S M42x2, AISI 316	-	-	In stock	Enquiry
HD-MP-35L-SS	Nut flat DIN 2353 MP 35L M45x2, AISI 316	-	-	In stock	Enquiry
HD-MP-42L-38S-SS	Nut flat DIN 2353 MP 42L/38S M52x2, AISI 316	-	-	In stock	Enquiry

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Nut flat lock with metric thread for DIN 2353 fittings – bulkhead fittings, type MP. Available as: LL (extra-light series), L (series light), S (series heavy). Material: AISI 316.